If this was part of a specific recent event, you may find the official community-submitted solutions on these platforms:
: Search for "CTF writeups 2025" to see if a participant has uploaded their solution scripts. Haruulzangi U18 2025 Domestic Quals - CTFtime sunnysideup.7z
: Using tools like Hashcat or John the Ripper with the rockyou.txt wordlist. If this was part of a specific recent
: Search for "Haruul Zangi" or "SunnySideUp" under the 2025 event archives. sunnysideup.7z
Checking images for or hidden zip files within images ( binwalk ). Potential Sources for the Write-up
: If the archive is password-protected, common techniques include:
: Use 7z l -slt sunnysideup.7z to view extended metadata. Sometimes clues are hidden in the "Comment" field or file modification dates.